Be careful when getting irate about aledged "Health & Safety" or "Ecological" oe other money wasting. The facts are often different than they first appear: https://jeffollerton.co.uk/2025/01/31/no-the-hs2-bat-tunnel-...
It's a distraction technique as old as the hills, and implies the blame for the missing 100b is because of bat boxes, while others run off with the remaining 99b.
"There is no available capacity without significantly impacting performance and causing a reduction in timetable resilience due to the resulting requirement for successive services to run on minimum headway"
https://www.orr.gov.uk/sites/default/files/om/wcml-capacity-...